Cycles, Nitrogen Budget, and Sustainability of Agroecosystems after Applying Organic Fertilizers (Labeled with 15N)

Cycles, Nitrogen Budget, and Sustainability of Agroecosystems after Applying Organic Fertilizers (Labeled with 15N)

The nitrogen of organic fertilizers contributes to stabilization of nitrogen cycles and sustainable development of agroecosystems. The application of green manure biomass as organic fertilizer enhances the immobilization of their nitrogen in soil, reduces the nitrogen consumption by plants and its g...

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Bibliographic Details
Published in:Eurasian soil science Vol. 55; no. 1; pp. 56 - 63
Main Authors: Zavalin, A. A., Sokolov, O. A., Shmyreva, N. Ya, Lukin, S. V., Awilow, A. S.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 2022
Springer
Springer Nature B.V
Subjects:
Agricultural Chemistry and Soil Fertility
Agricultural ecology
Agricultural ecosystems
Biomass
Consumption
Cycles
Earth and Environmental Science
Earth Sciences
Farmyard manure
Fertilizers
Geotechnical Engineering & Applied Earth Sciences
Immobilization
Manures
Mineral fertilizers
Nitrogen
Nitrogen fertilizers
Nitrogen isotopes
Organic fertilizers
Soil
Soils
Sustainability
Sustainable development
soddy-podzolic soil
mineralization
immobilization
Haplic Chernozem (Loamic
nitrogen budget
N-labeled grass biomass
typical chernozem
Pachic
N
Stagnic Retisol (Loamic Humic)
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Summary:The nitrogen of organic fertilizers contributes to stabilization of nitrogen cycles and sustainable development of agroecosystems. The application of green manure biomass as organic fertilizer enhances the immobilization of their nitrogen in soil, reduces the nitrogen consumption by plants and its gaseous losses as compared with mineral fertilizers. A combined use of the green manure biomass and mineral nitrogen fertilizers decreases the nitrogen immobilization in soil as well as increases its consumption by plants and its gaseous losses. The application of manure reduces the nitrogen gaseous loss from green manure biomass. The use of the oat and timothy biomasses as a fertilizer decreases the consumption of their nitrogen and soil nitrogen by plants by 18–36 and 6–36%, respectively, while the nitrogen immobilization in soil increases and its gaseous losses decrease by 17% as compared with the application of mineral fertilizers alone.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229322010136